mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 18:20:44 +00:00
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wtay@chello.be>
|
|
*
|
|
* gstadder.h: Header for GstAdder element
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_ADDER_H__
|
|
#define __GST_ADDER_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/bytestream/bytestream.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
extern GstElementDetails gst_adder_details;
|
|
|
|
#define GST_TYPE_ADDER \
|
|
(gst_adder_get_type())
|
|
#define GST_ADDER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADDER,GstAdder))
|
|
#define GST_ADDER_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ADDER,GstAdderClass))
|
|
#define GST_IS_ADDER(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ADDER))
|
|
#define GST_IS_ADDER_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ADDER))
|
|
|
|
typedef struct _GstAdder GstAdder;
|
|
typedef struct _GstAdderClass GstAdderClass;
|
|
typedef struct _GstAdderInputChannel GstAdderInputChannel;
|
|
typedef enum _GstAdderFormat GstAdderFormat;
|
|
|
|
enum _GstAdderFormat {
|
|
GST_ADDER_FORMAT_UNSET,
|
|
GST_ADDER_FORMAT_INT,
|
|
GST_ADDER_FORMAT_FLOAT
|
|
};
|
|
|
|
struct _GstAdderInputChannel {
|
|
GstPad *sinkpad;
|
|
GstByteStream *bytestream;
|
|
};
|
|
|
|
struct _GstAdder {
|
|
GstElement element;
|
|
|
|
GstPad *srcpad;
|
|
|
|
/* keep track of the sinkpads */
|
|
guint numsinkpads;
|
|
GSList *input_channels;
|
|
|
|
/* the next are valid for both int and float */
|
|
GstAdderFormat format;
|
|
guint rate;
|
|
guint channels;
|
|
guint width;
|
|
guint endianness;
|
|
|
|
/* the next are valid only for format == GST_ADDER_FORMAT_INT */
|
|
guint depth;
|
|
gboolean is_signed;
|
|
|
|
/* counters to keep track of timestamps */
|
|
gint64 timestamp;
|
|
gint64 offset;
|
|
};
|
|
|
|
struct _GstAdderClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_adder_get_type (void);
|
|
gboolean gst_adder_factory_init (GstElementFactory *factory);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GST_ADDER_H__ */
|